128895000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:703

約数の個数: 160

約数和(自身を含む): 434298480

約数和(自身を除く): 305403480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 625, 650, 661, 750, 780, 975, 1000, 1250, 1300, 1322, 1500, 1560, 1625, 1875, 1950, 1983, 2500, 2600, 2644, 3000, 3250, 3305, 3750, 3900, 3966, 4875, 5000, 5288, 6500, 6610, 7500, 7800, 7932, 8125, 8593, 9750, 9915, 13000, 13220, 15000, 15864, 16250, 16525, 17186, 19500, 19830, 24375, 25779, 26440, 32500, 33050, 34372, 39000, 39660, 42965, 48750, 49575, 51558, 65000, 66100, 68744, 79320, 82625, 85930, 97500, 99150, 103116, 128895, 132200, 165250, 171860, 195000, 198300, 206232, 214825, 247875, 257790, 330500, 343720, 396600, 413125, 429650, 495750, 515580, 644475, 661000, 826250, 859300, 991500, 1031160, 1074125, 1239375, 1288950, 1652500, 1718600, 1983000, 2148250, 2478750, 2577900, 3222375, 3305000, 4296500, 4957500, 5155800, 5370625, 6444750, 8593000, 9915000, 10741250, 12889500, 16111875, 21482500, 25779000, 32223750, 42965000, 64447500, 128895000]

約数ペア:

[(1, 128895000), (2, 64447500), (3, 42965000), (4, 32223750), (5, 25779000), (6, 21482500), (8, 16111875), (10, 12889500), (12, 10741250), (13, 9915000), (15, 8593000), (20, 6444750), (24, 5370625), (25, 5155800), (26, 4957500), (30, 4296500), (39, 3305000), (40, 3222375), (50, 2577900), (52, 2478750), (60, 2148250), (65, 1983000), (75, 1718600), (78, 1652500), (100, 1288950), (104, 1239375), (120, 1074125), (125, 1031160), (130, 991500), (150, 859300), (156, 826250), (195, 661000), (200, 644475), (250, 515580), (260, 495750), (300, 429650), (312, 413125), (325, 396600), (375, 343720), (390, 330500), (500, 257790), (520, 247875), (600, 214825), (625, 206232), (650, 198300), (661, 195000), (750, 171860), (780, 165250), (975, 132200), (1000, 128895), (1250, 103116), (1300, 99150), (1322, 97500), (1500, 85930), (1560, 82625), (1625, 79320), (1875, 68744), (1950, 66100), (1983, 65000), (2500, 51558), (2600, 49575), (2644, 48750), (3000, 42965), (3250, 39660), (3305, 39000), (3750, 34372), (3900, 33050), (3966, 32500), (4875, 26440), (5000, 25779), (5288, 24375), (6500, 19830), (6610, 19500), (7500, 17186), (7800, 16525), (7932, 16250), (8125, 15864), (8593, 15000), (9750, 13220), (9915, 13000)]